163461407 has 4 divisors (see below), whose sum is σ = 164709336. Its totient is φ = 162213480.

The previous prime is 163461401. The next prime is 163461457. The reversal of 163461407 is 704164361.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 704164361 = 17 ⋅41421433.

It is a cyclic number.

It is not a de Polignac number, because 163461407 - 2¹⁸ = 163199263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163461401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 623768 + ... + 624029.

It is an arithmetic number, because the mean of its divisors is an integer number (41177334).

Almost surely, 2^163461407 is an apocalyptic number.

163461407 is a deficient number, since it is larger than the sum of its proper divisors (1247929).

163461407 is a wasteful number, since it uses less digits than its factorization.

163461407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1247928.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 163461407 is about 12785.2026577603. The cubic root of 163461407 is about 546.7705033190.

The spelling of 163461407 in words is "one hundred sixty-three million, four hundred sixty-one thousand, four hundred seven".